diff --git a/examples/gradle/wrapper/gradle-wrapper.jar b/examples/gradle/wrapper/gradle-wrapper.jar
deleted file mode 100644
index 758de96..0000000
Binary files a/examples/gradle/wrapper/gradle-wrapper.jar and /dev/null differ
diff --git a/examples/gradle/wrapper/gradle-wrapper.properties b/examples/gradle/wrapper/gradle-wrapper.properties
deleted file mode 100644
index 2d80b69..0000000
--- a/examples/gradle/wrapper/gradle-wrapper.properties
+++ /dev/null
@@ -1,5 +0,0 @@
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.8.1-bin.zip
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
diff --git a/examples/kotlin/build.gradle.kts b/examples/kotlin/build.gradle.kts
index 54c165b..e25978e 100644
--- a/examples/kotlin/build.gradle.kts
+++ b/examples/kotlin/build.gradle.kts
@@ -46,7 +46,7 @@ configure<SemverConfig> {
 }
 
 tasks {
-    withType(Test::class.java).all {
+    withType<Test> {
         useTestNG()
     }
 
@@ -55,4 +55,4 @@ tasks {
             println("Version: $version")
         }
     }
-}
\ No newline at end of file
+}